People fetch water for daily needs from a fire engine in quake-hit Lushan County of Ya'an City, southwest China's Sichuan Province, April 21, 2013. A 7.0-magnitude quake jolted Lushan County of Ya'an on Saturday morning. (Xinhua)

A citizen reads beside a tent at a temporary settlement at the playground of a primary school in quake-hit Ya'an City, southwest China's Sichuan Province, April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County of Ya'an City on April 20 morning. (Xinhua/Xing Guangli)

Citizens chat in a tent at a temporary settlement at the playground of a primary school in quake-hit Ya'an City, southwest China's Sichuan Province, April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County of Ya'an City on April 20 morning. (Xinhua/Xing Guangli)

A man chats with a woman in a tent at a temporary settlement at the playground of a primary school in quake-hit Ya'an City, southwest China's Sichuan Province, April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County of Ya'an City on April 20 morning. (Xinhua/Xing Guangli)

A mother tells stories to her child in a temporary tent after the deadly earthquake in Ya'an City, southwest China's Sichuan Province, April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County of Ya'an City on April 20 morning. (Xinhua/Wen Tao)

People chat near a temporary tent on the second night after the deadly earthquake in Lushan County in Ya'an City, southwest China's Sichuan Province, April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County of Ya'an City on April 20 morning. (Xinhua/Wen Tao)

A citizen plays with a mobile phone in a temporary tent on the second night after the deadly earthquake in Lushan County in Ya'an City, southwest China's Sichuan Province, April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County of Ya'an City on April 20 morning. (Xinhua/Wen Tao)

Quake victims prepare supper on the second night after the deadly earthquake in Lushan County in Ya'an City, southwest China's Sichuan Province, April 21, 2013. A 7.0-magnitude earthquake jolted Lushan County of Ya'an City on April 20 morning. (Xinhua/Wang Jianmin)